<template>
	<view>
		<view class="search-box">
			<uni-search-bar @input="input" :focus="true" :radius="100" cancelButton="none">搜索</uni-search-bar>
		</view>
		<view class="sugg-list" v-if="searchResults.length!==0">
			<view class="sugg-item" v-for="(item,i) in searchResults" :key="i" @click="gotoDetail(item)">
				<view class="goods-name">{{item.goods_name}}</view>
				<uni-icons type="arrowright" size="16"></uni-icons>
			</view>
		</view>
		<view class="history-box" v-else>
			<view class="history-title">
				<text>搜索历史</text>
				<uni-icons @click="clean" type="trash" size="17"></uni-icons>
			</view>
			<view class="history-list">
				<uni-tag :text="item" v-for="(item,i) in historys" :key="i" @click="gotoGoodsList(item)"></uni-tag>
			</view>
		</view>
	</view>
</template>

<script>
	export default {
		data() {
			return {
				timer:null,
				searchResults:[],
				str:'',
				historyList:['a','app','apple']
			};
		},
		methods:{
			input(e){
				clearTimeout(this.timer)
				this.timer = setTimeout(()=>{
					this.str=e
					this.getSearchList()
				},800)
			},
			async getSearchList(){
				if (this.str.trim()==='') {
					this.searchResults =[]
					return
				}
				const res=await uni.$http.get('/api/public/v1/goods/qsearch',{query:this.str.trim()})
				if (res.data.meta.status !== 200) return uni.$showMsg()
				this.searchResults = res.data.message
				this.saveSearchHistory()
			},
			gotoDetail(item){
				console.log(item);
				uni.navigateTo({
					url:'/subpkg/goods_detail/goods_detail?cid=' + item.goods_id
				})
			},
			saveSearchHistory(){
				// this.historyList.push(this.str.trim())
				const set = new Set(this.historyList)
				set.delete(this.str.trim())
				set.add(this.str.trim())
				this.historyList = Array.from(set)
				uni.setStorageSync("sh",JSON.stringify(this.historyList))
			},
			clean(){
				this.historyList = []
				uni.setStorageSync("sh",'[]')
			},
			gotoGoodsList(item){
				uni.navigateTo({
					url:'/subpkg/goods_list/goods_list?query=' + item
				})
			}
		},
		computed:{
			historys(){
				return [...this.historyList].reverse()
			}
		},
		onLoad() {
			this.historyList = JSON.parse(uni.getStorageSync("sh")||'[]')
		}
	}
</script>

<style lang="scss">
.search-box {
	position: sticky;
	top:0;
	z-index: 999;
}
.sugg-list{
	padding: 0 5px;
	.sugg-item{
		font-size: 12px;
		padding:13px 0;
		border-bottom: 1px solid #efefef;
		display: flex;
		align-items: center;
		justify-content: space-between;
		.goods-name{
			white-space: nowrap;
			overflow:hidden;
			text-overflow: ellipsis;
			margin-right: 3px;
		}
	}
}
.history-box{
	padding: 0 5px;
	.history-title{
		display: flex;
		justify-content: space-between;
		height: 40px;
		align-items: center;
		font-size: 13px;
		border-bottom: 1px solid #efefef;
	}
	.history-list{
		display: flex;
		flex-wrap: wrap;
		.uni-tag{
			margin-top: 5px;
			margin-right: 5px;
		}
	}
}
</style>
